He intended the mood of the piece to be ecstatic, evoking images of winged flight, voluptuous rapture and overwhelming forces.
[3] The composer was especially fond of the piece, probably due to its messianic context and perfected structure, which features more contrast, rhythmic and dynamic, than most of his work.
Like the sixth, the seventh sonata is full of violent contrasts, complex counterpoint, advanced tritonal harmonies, and rippling, incandescent arpeggios.
[2] The theme marked "avec une céleste volupté" (with a heavenly voluptuousness) melodically presents a harmony that recurs throughout the sonata.
The music that follows surges upward in register until the end of the sonata where it dissipates, representing "enervation and nonexistence after the act of love."